Add command (/client chatsize) to change font size of chat.

2D/Screens/ChatScreen.cs

@@ -44,17 +44,18 @@ namespace ClassicalSharp {
 		}
 		
 		public override void Init() {
-			textInput = new TextInputWidget( Window );
+			int fontSize = Window.ChatFontSize;
+			textInput = new TextInputWidget( Window, fontSize );
 			textInput.ChatInputYOffset = ChatInputYOffset;
-			status = new TextGroupWidget( Window, 3 );
+			status = new TextGroupWidget( Window, 3, fontSize );
 			status.VerticalDocking = Docking.LeftOrTop;
 			status.HorizontalDocking = Docking.BottomOrRight;
 			status.Init();
-			bottomRight = new TextGroupWidget( Window, 3 );
+			bottomRight = new TextGroupWidget( Window, 3, fontSize );
 			bottomRight.VerticalDocking = Docking.BottomOrRight;
 			bottomRight.HorizontalDocking = Docking.BottomOrRight;
 			bottomRight.Init();
-			normalChat = new TextGroupWidget( Window, chatLines );
+			normalChat = new TextGroupWidget( Window, chatLines, fontSize );
 			normalChat.XOffset = 10;
 			normalChat.YOffset = ChatLogYOffset;
 			normalChat.HorizontalDocking = Docking.LeftOrTop;

2D/Widgets/TextGroupWidget.cs

@@ -6,19 +6,21 @@ namespace ClassicalSharp {
 	
 	public sealed class TextGroupWidget : Widget {
 		
-		public TextGroupWidget( Game window, int elementsCount ) : base( window ) {
+		public TextGroupWidget( Game window, int elementsCount, int fontSize ) : base( window ) {
 			ElementsCount = elementsCount;
+			this.fontSize = fontSize;
 		}
 		
 		Texture[] textures;
 		string[] textCache;
 		int ElementsCount, defaultHeight;
 		public int XOffset = 0, YOffset = 0;
+		readonly int fontSize;
 		
 		public override void Init() {
 			textures = new Texture[ElementsCount];
 			textCache = new string[ElementsCount];
-			defaultHeight = Utils2D.MeasureSize( "I", "Arial", 12, true ).Height;
+			defaultHeight = Utils2D.MeasureSize( "I", "Arial", fontSize, true ).Height;
 			for( int i = 0; i < textures.Length; i++ ) {
 				textures[i].Height = defaultHeight;
 			}
@@ -31,13 +33,13 @@ namespace ClassicalSharp {
 			Size size = new Size( 0, defaultHeight );
 			if( !String.IsNullOrEmpty( text ) ) {
 				parts = Utils.SplitText( GraphicsApi, text, true );
-				size = Utils2D.MeasureSize( Utils.StripColours( text ), "Arial", 12, true );
+				size = Utils2D.MeasureSize( Utils.StripColours( text ), "Arial", fontSize, true );
 			}
 			
 			int x = HorizontalDocking == Docking.LeftOrTop ? XOffset : Window.Width - size.Width - XOffset;
 			int y = CalcY( index, size.Height );
 			if( !String.IsNullOrEmpty( text ) ) {
-				textures[index] = Utils2D.MakeTextTexture( parts, "Arial", 12, size, x, y );
+				textures[index] = Utils2D.MakeTextTexture( parts, "Arial", fontSize, size, x, y );
 			} else {
 				textures[index] = new Texture( -1, 0, 0, 0, defaultHeight, 0, 0 );
 			}

2D/Widgets/TextInputWidget.cs

@@ -7,7 +7,7 @@ namespace ClassicalSharp {
 	
 	public sealed class TextInputWidget : Widget {
 		
-		public TextInputWidget( Game window ) : base( window ) {
+		public TextInputWidget( Game window, int fontSize ) : base( window ) {
 			HorizontalDocking = Docking.LeftOrTop;
 			VerticalDocking = Docking.BottomOrRight;
 			handlers[0] = new InputHandler( BackspaceKey, Key.BackSpace, 10 );
@@ -17,6 +17,7 @@ namespace ClassicalSharp {
 			handlers[4] = new InputHandler( UpKey, Key.Up, 5 );
 			handlers[5] = new InputHandler( DownKey, Key.Down, 5 );
 			typingLogPos = Window.ChatInputLog.Count; // Index of newest entry + 1.
+			this.fontSize = fontSize;
 		}
 		
 		Texture chatInputTexture, chatCaretTexture;
@@ -25,6 +26,7 @@ namespace ClassicalSharp {
 		int typingLogPos = 0;
 		public int ChatInputYOffset;
 		public string chatInputText = "";
+		readonly int fontSize;
 		
 		public override void Render( double delta ) {
 			chatInputTexture.Render( GraphicsApi );
@@ -35,20 +37,20 @@ namespace ClassicalSharp {
 		public override void Init() {
 			X = 10;
 			DrawTextArgs caretArgs = new DrawTextArgs( GraphicsApi, "_", Color.White, false );
-			chatCaretTexture = Utils2D.MakeTextTexture( "Arial", 12, FontStyle.Bold, 0, 0, caretArgs );
+			chatCaretTexture = Utils2D.MakeTextTexture( "Arial", fontSize, FontStyle.Bold, 0, 0, caretArgs );
 			
 			if( chatInputText.Length == 0 ) {
 				caretPos = -1;
 			}
-			Size size = Utils2D.MeasureSize( chatInputText, "Arial", 12, false );
+			Size size = Utils2D.MeasureSize( chatInputText, "Arial", fontSize, false );
 			
 			if( caretPos == -1 ) {
 				chatCaretTexture.X1 = 10 + size.Width;
 				size.Width += chatCaretTexture.Width;
 			} else {
-				Size trimmedSize = Utils2D.MeasureSize( chatInputText.Substring( 0, caretPos ), "Arial", 12, false );
+				Size trimmedSize = Utils2D.MeasureSize( chatInputText.Substring( 0, caretPos ), "Arial", fontSize, false );
 				chatCaretTexture.X1 = 10 + trimmedSize.Width;
-				Size charSize = Utils2D.MeasureSize( chatInputText.Substring( caretPos, 1 ), "Arial", 12, false );
+				Size charSize = Utils2D.MeasureSize( chatInputText.Substring( caretPos, 1 ), "Arial", fontSize, false );
 				chatCaretTexture.Width = charSize.Width;
 			}
 			size.Height = Math.Max( size.Height, chatCaretTexture.Height );
@@ -58,7 +60,7 @@ namespace ClassicalSharp {
 				using( Graphics g = Graphics.FromImage( bmp ) ) {
 					Utils2D.DrawRect( g, backColour, bmp.Width, bmp.Height );
 					DrawTextArgs args = new DrawTextArgs( GraphicsApi, chatInputText, Color.White, false );
-					Utils2D.DrawText( g, "Arial", 12, args );
+					Utils2D.DrawText( g, "Arial", fontSize, args );
 				}
 				chatInputTexture = Utils2D.Make2DTexture( GraphicsApi, bmp, 10, y );
 			}

2D/Widgets/TextWidget.cs

@@ -4,9 +4,8 @@ using System.Drawing;
 
 namespace ClassicalSharp {
 	
-	public sealed class TextWidget : Widget {
+	public sealed class TextWidget : Widget {	
 		
-		int fontSize;
 		public TextWidget( Game window, int fontSize ) : base( window ) {
 			this.fontSize = fontSize;
 		}
@@ -16,6 +15,7 @@ namespace ClassicalSharp {
 		public int XOffset = 0, YOffset = 0;
 		public FontStyle Style = FontStyle.Regular;
 		int defaultHeight;
+		readonly int fontSize;
 		
 		public override void Init() {
 			defaultHeight = Utils2D.MeasureSize( "I", "Arial", fontSize, Style, true ).Height;

Commands/CommandManager.cs

@@ -18,6 +18,7 @@ namespace ClassicalSharp.Commands {
 			RegisterCommand( new EnvCommand() );
 			RegisterCommand( new InfoCommand() );
 			RegisterCommand( new RenderTypeCommand() );
+			RegisterCommand( new ChatFontSizeCommand() );
 		}
 		
 		void RegisterCommand( Command command ) {

Commands/DefaultCommands.cs

@@ -229,4 +229,41 @@ namespace ClassicalSharp.Commands {
 			game.EnvRenderer.Init();
 		}
 	}
+	
+	public sealed class ChatFontSizeCommand : Command {
+		
+		public override string Name {
+			get { return "ChatSize"; }
+		}
+		
+		public override string[] Help {
+			get {
+				return new [] {
+					"&a/client chatsize [fontsize]",
+					"&fontsize: &eWhole number specifying the new font size for chat.",
+					"&blegacy: &eMay be slightly slower than normal, but produces the same environmental effects.",
+					"&blegacyfast: &eSacrifices clouds, fog and overhead sky for faster performance.",
+				};
+			}
+		}	
+		
+		public override void Execute( CommandReader reader ) {
+			int fontSize;
+			if( !reader.NextInt( out fontSize ) ) {
+				Window.AddChat( "&e/client chatsize: &cInvalid font size." );
+			} else {
+				if( fontSize < 6 ) {
+					Window.AddChat( "&e/client chatsize: &cFont size too small." );
+					return;
+				} else if( fontSize > 30 ) {
+					Window.AddChat( "&e/client chatsize: &cFont size too big." );
+					return;
+				}
+				Window.ChatFontSize = fontSize;
+				Window.SetNewScreen( null );
+				Window.chatInInputBuffer = null;
+				Window.SetNewScreen( new NormalScreen( Window ) );
+			}
+		}
+	}
 }

Game/Game.Chat.cs

@@ -20,6 +20,8 @@ namespace ClassicalSharp {
 		
 		public List<string> ChatInputLog = new List<string>();
 		
+		public int ChatFontSize = 12;
+		
 		public void SendChat( string text ) {
 			if( String.IsNullOrEmpty( text ) ) return;